Table 4:

Fit of intensity vs age data to inverse iron concentration curves^*

	y0	A	b	Correlation, r
Globus pallidus	0.020	0.018	0.09	0.8
Putamen	0.023	0.011	0.09	0.5
Substantia nigra	0.012	0.0065	0.04	0.5

^*See Equation 1.